144 Eu
63 81
Half life: 10.2 s 1
Jp: 1+
Decay mode: e+b+
Sn (keV): 9480 22
Sp (keV): 3423 17
Prod. mode: Charged particle reaction
Literature cut-off date: 1-Nov-1988
Author(s): J.K. Tuli
Update: 20-Sep-1996, B. Singh
ENSDF citation: NDS 56,607 (1989)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 6315 17

Gammas from 144Eu (10.2 s 1)

Eg (keV) Ig (%) Decay mode
763.0 3 0.045 6 e+b+
817.7 2 1.56 8 e+b+
1000.6 4 0.038 10 e+b+
1659.8 10 e+b+
2423.3 2 0.96 4 e+b+
2477.8 e+b+

X-rays from 144Eu (10.2 s 1)

E (keV) I (%) Assignment
4,993 0.028 3 Sm Ll
5,589 0.0104 8 Sm Lh
5,610 0.075 5 Sm La2
5,636 0.68 4 Sm La1
6,196 0.039 6 Sm Lb4
6,206 0.42 3 Sm Lb1
6,317 0.065 10 Sm Lb3
6,371 0.0063 4 Sm Lb6
6,587 0.143 10 Sm Lb2
7,183 0.070 6 Sm Lg1
7,471 0.0121 20 Sm Lg2
7,489 0.017 3 Sm Lg3
39,097 0.00074 3 Sm Ka3
39,522 2.91 8 Sm Ka2
40,118 5.27 15 Sm Ka1
45,294 0.515 15 Sm Kb3
45,414 1.00 3 Sm Kb1
45,741 0.0148 7 Sm Kb5
46,578 0.329 10 Sm Kb2
46,705 0.125 6 Sm Kb4

Betas from 144Eu (10.2 s 1)

>Eb endpoint (keV) Ib (%) Decay mode
2815,1 0.88 8 b+
2869,7 0.58 5 b+
3632,8 5.9 4 b+
3837,1 0.68 6 e
3891,7 0.43 4 e
4654,8 2.13 14 e
5293 79.7 7 b+
6315 9.68 19 e